Home / 47,819.02-65,963.28-28,693.71

Finding the Fourth Proportional to 47,819.02, 65,963.28 and 28,693.71

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Solution

The fourth proportional to 47,819.02, 65,963.28 and 28,693.71 is: 39,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.02 : 65,963.28 = 28,693.71 : x
  2. Step 2: Convert to fraction form
    47,819.02/65,963.28 = 28,693.71/x
  3. Step 3: Cross multiply
    47,819.02x = 65,963.28 × 28,693.71
  4. Step 4: Simplify right side
    47,819.02x = 1,892,731,226.97
  5. Step 5: Solve for x
    x = 1,892,731,226.97/47,819.02
  6. Step 6: Final answer
    x = 39,581.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.